题目内容
Her classmates are very smart and she’ll have to be ______ her best to keep up with them.
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In some cases, people treat their pets (宠物) _____ members of their families, or perhaps better.
Because of the popularity of the region, it is advisable to book hotels _____ advance.
It’s well accepted that we are able to ____a person by what he or she says.
He is more _____ for the job than the other candidates because he has more experience in this field.
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